| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.63 | 2.74 | -0.11 |
| Feb | 2.22 | 2.38 | -0.16 |
| Mar | 3.32 | 3.35 | -0.03 |
| Apr | 3.36 | 3.54 | -0.18 |
| May | 4.06 | 4.10 | -0.04 |
| Jun | 3.73 | 3.92 | -0.19 |
| Jul | 3.83 | 3.61 | 0.22 |
| Aug | 3.09 | 3.18 | -0.09 |
| Sep | 3.95 | 4.30 | -0.35 |
| Oct | 3.01 | 3.30 | -0.29 |
| Nov | 2.85 | 2.84 | 0.01 |
| Dec | 3.11 | 3.27 | -0.16 |
39.16 | 40.53 | -1.37 |